WORKING TOOL FOR UNDERCOVER BROADCASTING SEED AND FERTILIZER SOWING Russian patent published in 1999 - IPC

FIELD: agricultural engineering, in particular, equipment for broadcasting seeds and fertilizer on furrow bottom into space below hoe. SUBSTANCE: working tool has wedge-shaped scatterer whose working sides are truncated with plane extending perpendicular to plane of symmetry of working tool through rib and rear end intersection point (in the direction of advancement of shank) at an acute angle to scatterer. Truncated working sides of scatterer form arms of predetermined length at bases of wings, with ratio of arm and rib lengths being 1: 4. EFFECT: increased efficiency by uniform distribution of material over width of sown strip. 3 dwg